FR1073586A - Improvements to cameras - Google Patents

Improvements to cameras

Info

Publication number
FR1073586A
FR1073586A FR1073586DA FR1073586A FR 1073586 A FR1073586 A FR 1073586A FR 1073586D A FR1073586D A FR 1073586DA FR 1073586 A FR1073586 A FR 1073586A
Authority
FR
France
Prior art keywords
cameras
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Georges Roy Morin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1073586A publication Critical patent/FR1073586A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09972—Through the lens [TTL] measuring in mirror-reflex cameras using the mirror as sensor light reflecting or transmitting member

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1073586D 1953-01-28 1953-01-28 Improvements to cameras Expired FR1073586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1073586T 1953-01-28

Publications (1)

Publication Number Publication Date
FR1073586A true FR1073586A (en) 1954-09-27

Family

ID=9606200

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1073586D Expired FR1073586A (en) 1953-01-28 1953-01-28 Improvements to cameras

Country Status (1)

Country Link
FR (1) FR1073586A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913968A (en) * 1954-11-30 1959-11-24 Zeiss Ikon A G Stuttgart Mirror reflex camera with built-in electric exposure meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913968A (en) * 1954-11-30 1959-11-24 Zeiss Ikon A G Stuttgart Mirror reflex camera with built-in electric exposure meter

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